<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>连接错误</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            background-color: #f8f9fa;
            font-family: Arial, sans-serif;
        }

        .error-container {
            text-align: center;
            background-color: #ffffff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        .error-container h1 {
            color: #dc3545;
            font-size: 24px;
            margin-bottom: 10px;
        }

        .error-container p {
            color: #6c757d;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .error-container button {
            background-color: #007bff;
            color: #ffffff;
            border: none;
            padding: 10px 20px;
            font-size: 16px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .error-container button:hover {
            background-color: #0056b3;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <h1>无法访问服务器</h1>
        <p>请检查客户端设置，然后重试。</p>
    </div>

    <script>
        function retry() {
            location.reload();
        }
    </script>
</body>
</html>
